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Matrix (version 1.2-13)

Sparse and Dense Matrix Classes and Methods

Description

A rich hierarchy of matrix classes, including triangular, symmetric, and diagonal matrices, both dense and sparse and with pattern, logical and numeric entries. Numerous methods for and operations on these matrices, using 'LAPACK' and 'SuiteSparse' libraries.

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Install

install.packages('Matrix')

Monthly Downloads

91,970

Version

1.2-13

License

GPL (>= 2) | file LICENCE

Maintainer

Martin Maechler

Last Published

April 2nd, 2018

Functions in Matrix (1.2-13)

Schur Decomposition of a Matrix

Sequence Generation of "abIndex", Abstract Index Vectors

"Matrix" Methods for Functions all() and any()

Compute Approximate CONDition number and 1-Norm of (Large) Matrices

ddenseMatrix-class

Virtual Class "ddenseMatrix" of Numeric Dense Matrices

USCounties Contiguity Matrix

dgTMatrix-class

Sparse matrices in triplet form

Extract bands of a matrix

Construct Sparse Banded Matrix from (Sup-/Super-) Diagonals

dtCMatrix-class

Triangular, (compressed) sparse column matrices

dgeMatrix-class

Class "dgeMatrix" of Dense Numeric (S4 Class) Matrices

dtRMatrix-class

Triangular Sparse Compressed Row Matrices

diagonalMatrix-class

Class "diagonalMatrix" of Diagonal Matrices

compMatrix-class

Class "compMatrix" of Composite (Factorizable) Matrices

Transform Triangular Matrices from Unit Triangular to General Triangular and Back

TsparseMatrix-class

Class "TsparseMatrix" of Sparse Matrices in Triplet Form

(Virtual) Class "dMatrix" of "double" Matrices

Virtual Class "index" - Simple Class for Matrix Indices

Expand a Decomposition into Factors

Matrix Exponential

Inverse Permutation Vector

Methods for "[": Extraction or Subsetting in Package 'Matrix'

Virtual Class "Matrix" Class of Matrices

all.equal-methods

Matrix Package Methods for Function all.equal()

Versions of 'cbind' and 'rbind' recursively built on cbind2/rbind2

ldenseMatrix-class

Virtual Class "ldenseMatrix" of Dense Logical Matrices

kronecker-methods

Methods for Function 'kronecker()' in Package 'Matrix'

atomicVector-class

Virtual Class "atomicVector" of Atomic Vectors

Construct a Block Diagonal Matrix

Class "abIndex" of Abstract Index Vectors

Force a Matrix to 'symmetricMatrix' Without Symmetry Checks

Boolean Arithmetic Matrix Products: %&% and Methods

nsparseMatrix-classes

Sparse "pattern" Matrices

dsCMatrix-class

Numeric Symmetric Sparse (column compressed) Matrices

Drop "Explicit Zeroes" from a Sparse Matrix

dpoMatrix-class

Positive Semi-definite Dense (Packed | Non-packed) Numeric Matrices

Choleski Decomposition - 'Matrix' S4 Generic and Methods

ddiMatrix-class

Class "ddiMatrix" of Diagonal Numeric Matrices

Rank of a Matrix

dsRMatrix-class

Symmetric Sparse Compressed Row Matrices

Estimate the Reciprocal Condition Number

Formatting Sparse Numeric Matrices Utilities

chol2inv-methods

Inverse from Choleski or QR Decomposition -- Matrix Methods

isSymmetric-methods

Methods for Function isSymmetric in Package 'Matrix'

externalFormats

Read and write external matrix formats

isTriangular() and isDiagonal() Methods

Multiplication by Decomposition Factors

lsparseMatrix-classes

Sparse logical matrices

lsyMatrix-class

Symmetric Dense Logical Matrices

ndenseMatrix-class

Virtual Class "ndenseMatrix" of Dense Logical Matrices

matrix-products

Matrix (Cross) Products (of Transpose)

Nearest Positive Definite Matrix

Sparse QR decomposition of a sparse matrix

Format and Print Sparse Matrices Flexibly

sparseVector-class

Sparse Vector Classes

denseMatrix-class

Virtual Class "denseMatrix" of All Dense Matrices

Form Row and Column Sums and Means

dgCMatrix-class

Compressed, sparse, column-oriented numeric matrices

dtpMatrix-class

Packed Triangular Dense Matrices - "dtpMatrix"

dtrMatrix-class

Triangular, dense, numeric matrices

QR Decomposition -- S4 Methods and Generic

dsparseMatrix-class

Virtual Class "dsparseMatrix" of Numeric Sparse Matrices

dgRMatrix-class

Sparse Compressed, Row-oriented Numeric Matrices

Class "nMatrix" of Non-zero Pattern Matrices

sparseMatrix-class

Virtual Class "sparseMatrix" --- Mother of Sparse Matrices

graph-sparseMatrix

Conversions "graph" <--> (sparse) Matrix

ldiMatrix-class

Class "ldiMatrix" of Diagonal Logical Matrices

dsyMatrix-class

Symmetric Dense (Packed | Non-packed) Numeric Matrices

Methods for image() in Package 'Matrix'

generalMatrix-class

Class "generalMatrix" of General Matrices

ngeMatrix-class

Class "ngeMatrix" of General Dense Nonzero-pattern Matrices

lgeMatrix-class

Class "lgeMatrix" of General Dense Logical Matrices

Replicate Vectors into 'abIndex' Result

General Sparse Matrix Construction from Nonzero Entries

The Number of Non-Zero Values of a Matrix

indMatrix-class

is.na(), is.infinite() Methods for 'Matrix' Objects

replValue-class

Virtual Class "replValue" - Simple Class for subassignment Values

Sparse Vector Construction from Nonzero Entries

Class "number" of Possibly Complex Numbers

symmetricMatrix-class

Virtual Class of Symmetric Matrices in Package Matrix

Sparse Matrix Constructor From Triplet

Symmetric Part and Skew(symmetric) Part of a Matrix

Methods in Package Matrix for Function solve()

Are the Dimnames dn NULL-like ?

ltrMatrix-class

Triangular Dense Logical Matrices

(Generalized) Triangular Decomposition of a Matrix

Permutation matrices

Class "rleDiff" of rle(diff(.)) Stored Vectors

triangularMatrix-class

Virtual Class of Triangular Matrices in Package Matrix

Random Sparse Matrix

nsyMatrix-class

Symmetric Dense Nonzero-Pattern Matrices

ntrMatrix-class

Triangular Dense Logical Matrices

Sparse LU decomposition of a square sparse matrix

sparse.model.matrix

Construct Sparse Design / Model Matrices

Virtual Classes Not Yet Really Implemented and Used

Up- and Down-Dating a Cholesky Decomposition

Unique (Sorted) TsparseMatrix Representations

Representation of Packed and Unpacked (Dense) Matrices

Khatri-Rao Matrix Product

Albers' example Matrix with "Difficult" Eigen Factorization

Koenker-Ng Example Sparse Model Matrix and Response Vector

Create Diagonal Matrix Object

Cholesky and Bunch-Kaufman Decompositions

CsparseMatrix-class

Class "CsparseMatrix" of Sparse Matrices in Column-compressed Form

BunchKaufman-methods

Bunch-Kaufman Decomposition Methods

Generate a Hilbert matrix

CHMfactor-class

CHOLMOD-based Cholesky Factorizations

Cholesky Decomposition of a Sparse Matrix

The Matrix (Super-) Class of a Class

SparseM-conversions

Sparse Matrix Coercion from and to those from package SparseM

Construct a Classed Matrix

MatrixFactorization-class

Class "MatrixFactorization" of Matrix Factorizations

LU (dense) Matrix Decompositions

Class "Schur" of Schur Matrix Factorizations

Methods for "[<-" - Assigning to Subsets for 'Matrix'

RsparseMatrix-class

Class "RsparseMatrix" of Sparse Matrices in Column-compressed Form